Cooler



FIG. 1 is an exploded perspective view of the cooler showing our new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image of the view shown in this Figure;

FIG. 3 is a left side elevational view thereof, the right side elevational view being a mirror image of the view shown in this Figure;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a cooler, as shown and described. 